document.write( "Question 911787: Sue did twice as many push-ups as Mark did. Bonnie did five less push-ups than Mark did. If they did 71 push-ups together, how many did each do?
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Algebra.Com's Answer #553346 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Sue did twice as many push-ups as Mark did. Bonnie did five less push-ups than Mark did. If they did 71 push-ups together, how many did each do? \n" ); document.write( " ------------------ \n" ); document.write( "Equations: \n" ); document.write( "s = 2m \n" ); document.write( "b = m-5 \n" ); document.write( "s + m + b = 71 \n" ); document.write( "------------------- \n" ); document.write( "Substitute and solve for \"m\":: \n" ); document.write( "2m + m + m-5 = 71 \n" ); document.write( "4m = 76 \n" ); document.write( "---- \n" ); document.write( "m = 19 (# of Mark push-ups) \n" ); document.write( "s = 2m = 38 (# of Sue push-ups) \n" ); document.write( "b = m-5 = 14 (# of Bonnie push-ups) \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " |